+2017-03-13 Tristan Gingold <gingold@adacore.com>
+
+ * ldlang.c (lang_check_section_addresses): Check for address space
+ overflow.
+ * testsuite/ld-checks/checks.exp (overflow_check): New procedure
+ * testsuite/ld-checks/over.s: New test source.
+ * testsuite/ld-checks/over.d: New test.
+ * testsuite/ld-checks/over2.s: New test source.
+ * testsuite/ld-checks/over2.d: New test.
+
2017-03-13 Alexey Neyman <stilor@att.net>
* emulparams/elf32ppccommon.sh (LIBPATH_SUFFIX): Set from target
asection *s, *p;
struct check_sec *sections;
size_t i, count;
+ bfd_vma addr_mask;
bfd_vma s_start;
bfd_vma s_end;
bfd_vma p_start = 0;
lang_memory_region_type *m;
bfd_boolean overlays;
+ /* Detect address space overflow. */
+ addr_mask = ((bfd_vma) 1 <<
+ (bfd_arch_bits_per_address (link_info.output_bfd) - 1)) - 1;
+ addr_mask = (addr_mask << 1) + 1;
+ for (s = link_info.output_bfd->sections; s != NULL; s = s->next)
+ {
+ s_end = (s->vma + s->size) & addr_mask;
+ if (s_end != 0 && s_end < s->vma)
+ einfo (_("%X%P: section %s VMA wraps around address space\n"),
+ s->name);
+ else
+ {
+ s_end = (s->lma + s->size) & addr_mask;
+ if (s_end != 0 && s_end < s->lma)
+ einfo (_("%X%P: section %s LMA wraps around address space\n"),
+ s->name);
+ }
+ }
+
if (bfd_count_sections (link_info.output_bfd) <= 1)
return;
}
}
+proc overflow_check {} {
+ # Test only on some 32-bit targets that are often tested
+ if { ![istarget i?86-*-*]
+ && ![istarget powerpc-*-*]
+ && ![istarget arm*-*-*] } {
+ return
+ }
+
+ run_dump_test "over"
+ run_dump_test "over2"
+}
+
section_check
+overflow_check